15374847385 has 4 divisors (see below), whose sum is σ = 18449816868. Its totient is φ = 12299877904.

The previous prime is 15374847377. The next prime is 15374847403. The reversal of 15374847385 is 58374847351.

15374847385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10517733136 + 4857114249 = 102556^2 + 69693^2 .

It is a cyclic number.

It is not a de Polignac number, because 15374847385 - 2³ = 15374847377 is a prime.

It is a super-2 number, since 2×15374847385² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537484734 + ... + 1537484743.

It is an arithmetic number, because the mean of its divisors is an integer number (4612454217).

Almost surely, 2^15374847385 is an apocalyptic number.

It is an amenable number.

15374847385 is a deficient number, since it is larger than the sum of its proper divisors (3074969483).

15374847385 is an equidigital number, since it uses as much as digits as its factorization.

15374847385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074969482.

The product of its digits is 11289600, while the sum is 55.

The spelling of 15374847385 in words is "fifteen billion, three hundred seventy-four million, eight hundred forty-seven thousand, three hundred eighty-five".